layer by layer eschar-free skin resurfacing

例句：

1. 1.The painting was done layer by layer, starting with the base and working up to the final strokes.
   这幅画是一层又一层地完成的，从基础开始，逐渐过渡到最后的笔触。
2. 2.The carpenter worked layer by layer to build the house, ensuring each layer was properly secured before moving on to the next.
   木匠一层又一层地建造房屋，确保每一层都牢固地固定好，然后再继续下一层。
3. 3. The chef prepared the dish layer by layer, starting with the sauce and adding ingredients one by one.
   厨师一层又一层地准备这道菜，先加酱料，然后依次加入其他食材。